forked from OSchip/llvm-project
63 lines
2.6 KiB
TableGen
63 lines
2.6 KiB
TableGen
//======- X86InstrFragmentsSIMD.td - x86 ISA -------------*- tablegen -*-=====//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides pattern fragments useful for SIMD instructions.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// MMX Pattern Fragments
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//===----------------------------------------------------------------------===//
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def load_mmx : PatFrag<(ops node:$ptr), (v1i64 (load node:$ptr))>;
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def bc_v8i8 : PatFrag<(ops node:$in), (v8i8 (bitconvert node:$in))>;
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def bc_v4i16 : PatFrag<(ops node:$in), (v4i16 (bitconvert node:$in))>;
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def bc_v2i32 : PatFrag<(ops node:$in), (v2i32 (bitconvert node:$in))>;
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def bc_v1i64 : PatFrag<(ops node:$in), (v1i64 (bitconvert node:$in))>;
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//===----------------------------------------------------------------------===//
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// MMX Masks
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//===----------------------------------------------------------------------===//
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// MMX_SHUFFLE_get_shuf_imm xform function: convert vector_shuffle mask to
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// PSHUFW imm.
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def MMX_SHUFFLE_get_shuf_imm : SDNodeXForm<vector_shuffle, [{
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return getI8Imm(X86::getShuffleSHUFImmediate(N));
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}]>;
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// Patterns for: vector_shuffle v1, v2, <2, 6, 3, 7, ...>
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def mmx_unpckh : PatFrag<(ops node:$lhs, node:$rhs),
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(vector_shuffle node:$lhs, node:$rhs), [{
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return X86::isUNPCKHMask(cast<ShuffleVectorSDNode>(N));
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}]>;
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// Patterns for: vector_shuffle v1, v2, <0, 4, 2, 5, ...>
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def mmx_unpckl : PatFrag<(ops node:$lhs, node:$rhs),
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(vector_shuffle node:$lhs, node:$rhs), [{
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return X86::isUNPCKLMask(cast<ShuffleVectorSDNode>(N));
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}]>;
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// Patterns for: vector_shuffle v1, <undef>, <0, 0, 1, 1, ...>
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def mmx_unpckh_undef : PatFrag<(ops node:$lhs, node:$rhs),
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(vector_shuffle node:$lhs, node:$rhs), [{
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return X86::isUNPCKH_v_undef_Mask(cast<ShuffleVectorSDNode>(N));
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}]>;
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// Patterns for: vector_shuffle v1, <undef>, <2, 2, 3, 3, ...>
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def mmx_unpckl_undef : PatFrag<(ops node:$lhs, node:$rhs),
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(vector_shuffle node:$lhs, node:$rhs), [{
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return X86::isUNPCKL_v_undef_Mask(cast<ShuffleVectorSDNode>(N));
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}]>;
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def mmx_pshufw : PatFrag<(ops node:$lhs, node:$rhs),
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(vector_shuffle node:$lhs, node:$rhs), [{
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return X86::isPSHUFDMask(cast<ShuffleVectorSDNode>(N));
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}], MMX_SHUFFLE_get_shuf_imm>;
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